This Hijri - Gregorian calendar calculation is accurate, because it is based on the global rukyah method, and has been adjusted to the Hijri calendar used in Indonesia. This Hijriyyah Calendar App contains the latest Hijriyah calendar, namely Hijriyah 1445/1446. Apart from that, it is also equipped with a Javanese calendar and market days. Apart from that, I also combined this Hijri calendar apk with the Gregorian calendar, so that it functions as a converter and makes it easier to convert dat